Home / 318,002.45-438,843.30-174,771.77

Finding the Fourth Proportional to 318,002.45, 438,843.30 and 174,771.77

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Solution

The fourth proportional to 318,002.45, 438,843.30 and 174,771.77 is: 241,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,002.45 : 438,843.30 = 174,771.77 : x
  2. Step 2: Convert to fraction form
    318,002.45/438,843.30 = 174,771.77/x
  3. Step 3: Cross multiply
    318,002.45x = 438,843.30 × 174,771.77
  4. Step 4: Simplify right side
    318,002.45x = 76,697,420,293.64
  5. Step 5: Solve for x
    x = 76,697,420,293.64/318,002.45
  6. Step 6: Final answer
    x = 241,185.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.